Model year

2004 Mercedes-Benz SL-Class

NHTSA lists 3 recalls and 3 complaints for the 2004 Mercedes-Benz SL-Class (recall file dated Oct 23, 2026; complaint file dated Oct 23, 2026). NHTSA also lists 1 recall and 53 complaints under SL, SL230, SL500, SL55, and SL600. Those counts are separate from the numbers above. The components listed on the most complaints are SERVICE BRAKES, HYDRAULIC (2), EQUIPMENT:APPLIANCE:AIR CONDITIONER (1), EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH (1). NHTSA lists 1 investigation. NHTSA star ratings from before model year 2011 use an older method and are not shown here. EPA rates it 14–17 mpg combined depending on configuration (fuel economy file dated Sep 29, 2026). EPA's annual fuel-cost figures for these configurations are $4,850–$5,850, based on 15,000 miles and 55% city driving.

ABOUT THIS DATA

Recalls

08V303000 · Jul 7, 2008

ELECTRICAL SYSTEM

MERCEDES-BENZ IS RECALLING MY 2006-2008 M-CLASS, R-CLASS, MY 2005-2009 SLK-CLASS, MY 2005-2008 C-CLASS, MY 2003-2004 AND 2006-2008 CLK-CLASS, MY 2003-2008 E-CLASS, MY 2004 AND 2008 CL-CLASS, MY 2008 CLS-CLASS, MY 2004 AND 2007-2008 S-CLASS, MY 2003 G-CLASS, AND MY 2003-2004,…

05V133000 · Apr 1, 2005

SERVICE BRAKES, HYDRAULIC

ON CERTAIN VEHICLES, THE SENSOTRONIC BRAKE CONTROL (SBC) SYSTEM MAY PREMATURELY SHIFT TO THE HYDRAULIC BACK-UP FUNCTION MODE, DUE TO DETERIORATION OF THE WIRING HARNESS CONNECTION, OR DUE TO PREMATURE FAILURE OF THE HYDRAULIC PUMP.

04V296000 · Jun 22, 2004

SERVICE BRAKES, HYDRAULIC

ON CERTAIN VEHICLES, THE ELECTRONIC MONITORING SYSTEM OF THE SENSOTRONIC BRAKE CONTROL (SBC) IS DESIGNED TO MONITOR THE PRESSURE GRADIENT WITHIN THE HIGH PRESSURE LINE OF THE BRAKE SYSTEM. IF AN UNACCEPTABLE PRESSURE GRADIENT IS DETECTED, THE SYSTEM WILL SWITCH, AS IT IS…

Complaints

3 distinct complaints. Crash flag on 0, fire flag on 0, injury field 0, deaths field 0. A complaint can be counted under more than one component. The injury and death figures are the file's numbers (the highest value on each complaint, then added), not a separate verified count of people.

  1. SERVICE BRAKES, HYDRAULIC2
  2. EQUIPMENT:APPLIANCE:AIR CONDITIONER1
  3. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH1
  4. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS1
  5. SUSPENSION1

Other NHTSA names

These names matched the same EPA model but are not included in the headline counts above.

Other matched NHTSA names
Name Recalls Complaints
SL 0 2
SL230 1 0
SL500 0 45
SL55 0 2
SL600 0 4

Investigations

Investigations in the NHTSA file (1). "No close date" means the file has no close date. It is not a statement that the investigation is still active.
ActionSubjectOpenedClosed
PE07042AIR SUSPENSION SYSTEM FAILURE · SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:LINES AND FITTINGS; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION:SPRINGS/BAGS;…Aug 14, 2007Nov 20, 2007

Safety ratings

NHTSA star ratings from before model year 2011 use an older method and are not shown here.

Fuel economy

EPA configurations. Electric rows show MPGe in the combined column and kWh/100 mi separately. Annual fuel cost is EPA's published fuelCost08 figure.
ConfigurationFuelCityHwyCombkWh/100 miRangeAnnual fuel cost
SL500 · 5L · Automatic 7-spd · Rear-Wheel DrivePremium Gasoline142117——$4,850
SL55 AMG · 5.4L · Automatic (S5) · Rear-Wheel DrivePremium Gasoline131915——$5,500
SL600 · 5.5L · Automatic 5-spd · Rear-Wheel DrivePremium Gasoline121714——$5,850

Open this model year in the fuel-cost calculator. The calculator starts with no fuel price filled in.

Check a vehicle

This page is not a VIN lookup. NHTSA's recall tool checks a specific vehicle: nhtsa.gov/recalls. NHTSA's page for this model year is 2004 Mercedes-Benz SL-Class at NHTSA. Complaint narratives stay on NHTSA's site and are not copied here.

All Mercedes-Benz SL-Class model years